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If pope Inocencio VIII had been prudent, had not died of this way
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If Jean-Baptiste Denys had not intended a blood transfusion, you and me would not have another life opportunity
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If Karl Landsteiner hadn't discovered the types of blood, the blood transfusions would not have possible in the actuality
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If Luis Agote en hadn't invented the conservation blood method, we would died by lack of blood in hospitals.
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If blood transfusion hadn't invented, would be a lot of deads
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If I donated blood, you would have an opportunity of live.
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If you had helped harder, you would have saved many more lifes
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• If you and me have had a little awareness, we would saved a lot of people in Colombia and in the world
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If you had readed this presentation before, you would have more awareness by life